Accounts payable and other liabilities

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

Accounts payable and other liabilities

5. Accounts payable and other liabilities

	DECEMBER 31, 2015		DECEMBER 31, 2014
Trade accounts payable	$	2,205	$	734
Accrued clinical trial fees		1,666		3,752
Accrued compensation and vacation		692		382
Accrued professional fees		128		247
Other liabilities		101		88
	$	4,792	$	5,203